CN108672459A - A kind of Melting of Special Steels workshop entirety dust pelletizing system and method - Google Patents
A kind of Melting of Special Steels workshop entirety dust pelletizing system and method Download PDFInfo
- Publication number
- CN108672459A CN108672459A CN201810431638.9A CN201810431638A CN108672459A CN 108672459 A CN108672459 A CN 108672459A CN 201810431638 A CN201810431638 A CN 201810431638A CN 108672459 A CN108672459 A CN 108672459A
- Authority
- CN
- China
- Prior art keywords
- dust
- connecting tube
- workshop
- level
- exhaust apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000428 dust Substances 0.000 title claims abstract description 210
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 29
- 239000010959 steel Substances 0.000 title claims abstract description 29
- 238000002844 melting Methods 0.000 title claims abstract description 26
- 230000008018 melting Effects 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005453 pelletization Methods 0.000 title claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 36
- 238000005192 partition Methods 0.000 claims abstract description 32
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000012935 Averaging Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000035699 permeability Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000013022 venting Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 239000003500 flue dust Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 230000009514 concussion Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000010181 polygamy Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a kind of Melting of Special Steels workshop entirety dust pelletizing system and methods, it is related to a kind of dust removal system for workshop, including level-one dust exhaust apparatus, the system further includes two level dust exhaust apparatus and dust filtration device, the level-one dust exhaust apparatus is located at the outside of electric furnace and AOD furnace, and the top of the level-one dust exhaust apparatus is connect by the first connecting tube with the dust filtration device, first exhaust blower is installed in the first connecting tube, the top of the two level dust exhaust apparatus is connect by the second connecting tube with first connecting tube, and dust filtration device is specifically made of two partition boards and multiple bag dust filters；The present invention also provides a kind of dust removal method, this method utilizes above-mentioned apparatus, makes the first exhaust blower multi gear position cycle operation；The present invention can effectively improve workshop efficiency of dust collection, avoid secondary pollution, space efficiency utilization in workshop is improved, is avoided because of hot stream temperature excessively high the drawbacks of being damaged to bag dust filter containing dust, the drawbacks of can effectively avoid bag dust filter attachment excessively influences dust filtering quality.
Description
Technical field
The present invention relates to a kind of dust removal system for workshop, specially a kind of Melting of Special Steels workshop entirety dust pelletizing system and method.
Background technology
With China's STEEL INDUSTRY CONSTRUCTION ADJUSTMENT, the continuous improvement of environmental protection requirement is essential in Melting of Special Steels
There is electric furnace smelting and AOD furnace refining 2 to be connected basic process steps, mostly carried out in same workshop.In existing electric furnace
In AOD furnace complete production unit, respective polygamy has dust-extraction unit, discrete installation to exist to solve electric furnace smelting and AOD furnace refining
The smoke contamination problem of generation.Due to electric furnace smelting fusing, oxidation stage, a large amount of high-temperature gas of generation, and entrainment of
A large amount of iron oxide, metallic iron and the tiny solid flue dust of other particles, and form russet dense smoke；AOD furnace refining reduction,
Modified feeding stage, a large amount of white gas and black flue gas of generation；When going out bell charging and tapping, also there is stronger dense smoke
It generates, although these stages, the time is not grown, and the flue dust tolerance generated is very big, and generally often refining 1t steel generates 8~12kg
Dust depends merely on the dust-extraction unit of coordinative composition of equipments, can only solve 35%, cannot solve 65%, workshop top flue gas occurs more
Unrestrained, workshop top flue gas is discharged from skylight, and the secondary smoke of plant area's ambient enviroment is caused to pollute.On the other hand, in Melting of Special Steels
In, since the furnace gas temperature of generation is 800 DEG C~1000 DEG C, the pipeline of coordinative composition of equipments and deduster are apart from short, into deduster
Flue-gas temperature it is higher, the glass fibre bag dust filter in deduster is damaged big, because of glass fibre bag dust filter, typically up to worked
Temperature is at 300 DEG C hereinafter, the dust mode in improvement Melting of Special Steels workshop, imperative；And bag dust filter easily adheres to dust, leads
The problems such as causing efficiency of dust collection low quality poor；Develop it is a kind of efficiently, the special steel dust removal system for workshop of low cost, for environmental protection and
Have great importance for enterprise development.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of Melting of Special Steels workshop entirety dust pelletizing systems
And method, to solve, efficiency of dust collection is low in the prior art, bag dust filter high temperature is easily damaged, bag dust filter easily generates the technologies such as attachment
Problem.
The present invention is achieved by the following technical solutions：
The present invention provides a kind of Melting of Special Steels workshop entirety dust pelletizing system, including level-one dust exhaust apparatus, the level-one is inhaled
Dirt device is fixedly mounted on the top in workshop, and the surface in fire door, which further includes two level dust exhaust apparatus and dust filtering
Device, the level-one dust exhaust apparatus are connect by the first connecting tube with the input terminal of the dust filtration device, the two level dust suction dress
It sets and is connect with first connecting tube by the second connecting tube, the two level dust exhaust apparatus is arranged in the surface of fire door, and locates
In being equipped with the first exhaust blower on the underface of the level-one dust exhaust apparatus, first connecting tube, the dust filtration device is specific
It is made of shell and filter core, the top of the shell is connect with first connecting tube, is fixedly mounted in the inner cavity of the shell
There are the filter core, the filter core to be specifically made of two partition boards and multiple bag dust filters, two partition boards are horizontally arranged at respectively
The upper and lower part of the housing cavity is uniformly equipped with installing pipe on the partition board, the installation on each partition board
The number of pipe is identical as the number of the dust filtration bag, and each installing pipe runs through its corresponding described partition board, two every
The installing pipe on plate is towards the middle part of the housing cavity, on two partition boards between the corresponding installing pipe
It is connected by the dust filtration bag, the bottom of the shell is in funnel-form, and its bottom is connected with dust flue, consolidates on the dust flue
Dingan County is equipped with control valve, is connected with exhaust duct on the side wall of the shell, the second exhaust blower is equipped on the exhaust duct.
Further, the specific trench structure that Open Side Down of the level-one dust exhaust apparatus, bottom end is fixed with workshop top to be connected
It connects.
Further, there are 30- between being at the top of the partition board and the housing cavity on the housing cavity top
50cm into gas-bearing formation.
Further, the two level dust exhaust apparatus is specifically made of U-tube and two dust hoods, the both ends point of the U-tube
An Zhuan not be there are one the dust hood, the dust hood is specially the type of the falling bucket structure of up-thin-low-thick both ends open, described in two
Dust hood is located at the surface of electric furnace and AOD furnace in workshop respectively, and the top of the U-tube connects with second connecting tube
It connects.
Further, first exhaust blower and second exhaust blower are frequency conversion fan, synchronous operation.
Further, each dust hood is arranged at the 2-2.5m right over its corresponding fire door.
Further, first exhaust blower setting in first connecting tube and second connecting tube junction to described
On the pipe of first connecting tube between dust filtration device.
Further, the first exhaust blower setting is in first connecting tube and second connecting tube junction to first
On the pipe of first connecting tube between dust exhaust apparatus.
The present invention also provides a kind of dust removal method of Melting of Special Steels workshop dust collector, this method the specific steps are：
Step 1 formulates first exhaust blower and the second exhaust blower operating parameters according to air draft parameter；Wherein, institute
Stating the first exhaust blower has 2-5 shelves, is incremented by with 0.2-0.3 times that works normally rotating speed between every grade, every grade of run time is set
It is set to 5-10min, 2-4 hours are a cycle of operation；
Step 2, synchronous unlatching first exhaust blower and second exhaust blower, make the two run well, to ensure vehicle
Interior normal dedusting air draft；
Step 3, when the bag dust filter permeability in dust filtration device reduces, first exhaust blower starts multi gear position circulating
Row, by the adjusting of wind-force size, shakes off to be adsorbed on the dust on bag dust filter, and the second exhaust blower multi gear position described in synchronous averaging
Operation, prevents gas to be detained, it is ensured that venting capability is unobstructed.
The present invention has the following advantages compared with prior art：The present invention provides a kind of Melting of Special Steels workshop entirety dedusting systems
System and method, by be arranged dust that level-one dust exhaust apparatus and two level dust exhaust apparatus can effectively generate electric furnace and AOD furnace and
Hot-fluid carries out water conservancy diversion and discharge, and its temperature can be effective after mixing for level-one dust exhaust apparatus and the air-flow of two level dust exhaust apparatus absorption
It reduces, avoids the excessively high damage to dust settling pocket of temperature, improve the service life of equipment；It can be effectively right by dust filtration device
Interior dust is effectively absorbed and filtered in mixed airflow caused by level-one dust exhaust apparatus and two level dust exhaust apparatus, and the powder filtered
Dirt can be effectively collected, and effectively prevent secondary pollution；It is set as multi gear position cycle operation by wind turbine so that bag dust filter
Can effectively cycle vibration, shake off attachment dust thereon, and then can effectively avoid the drawbacks of dust attachment is difficult to clean off, carry
The high operational efficiency of equipment, reduces maintenance cost；Equipment overall structure is simple, and dust discharge is efficient, and it is independent to avoid equipment
The drawbacks of dust exhaust is arranged, improves the utilization rate of installation space.By the final dusting setting to workshop, remove
Dirt effect is good, and for the efficiency of dust collection of dust filtration device 98% or more, post dust concentration is down to 10mg/m3 hereinafter, having purified workshop
Working environment, the concentration of emission of the flue dust in workshop can be reduced to 50mg/m3 hereinafter, reducing the dust emission to periphery, ring
Protect high efficiency.
Description of the drawings
Fig. 1 is a kind of internal structure signal of Melting of Special Steels workshop entirety dust pelletizing system and method in the embodiment of the present invention one
Figure；
Fig. 2 is a kind of internal structure main view of Melting of Special Steels workshop entirety dust pelletizing system and method in the embodiment of the present invention one
Figure；
Fig. 3 is a kind of office of the internal structure of Melting of Special Steels workshop entirety dust pelletizing system and method in the embodiment of the present invention one
Portion's enlarged drawing；
Fig. 4 is a kind of internal structure signal of Melting of Special Steels workshop entirety dust pelletizing system and method in the embodiment of the present invention two
Figure.
In figure：1, level-one dust exhaust apparatus；2, the first connecting tube；3, the second connecting tube；4, the first exhaust blower；5, shell；6、
Partition board；7, bag dust filter；8, installing pipe；9, dust flue；10, control valve；11, exhaust duct；12, the second exhaust blower；13, U-tube；
14, dust hood.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one
It please refers to Fig.1 to Fig.3, a kind of Melting of Special Steels workshop entirety dust pelletizing system is provided in the present embodiment, including level-one is inhaled
Dirt device 1, the specific trench structure that Open Side Down of level-one dust exhaust apparatus 1, bottom end is fixedly connected with workshop top, and is in stove
The surface of mouth；
The system further includes two level dust exhaust apparatus and dust filtration device, and level-one dust exhaust apparatus 1 passes through the first connecting tube 2 and dust filtering
The input terminal of device connects, and two level dust exhaust apparatus is connect by the second connecting tube 3 with the first connecting tube 2, two level dust exhaust apparatus tool
Body is made of U-tube 13 and two dust hoods 14, and the both ends of U-tube 13 are separately installed with a dust hood 14, and dust hood 14 has
Body is the type of the falling bucket structure of up-thin-low-thick both ends open, and two dust hoods 14 are being located in workshop electric furnace and AOD furnace just respectively
Top, the top of U-tube 13 are connect with the second connecting tube 3, and two level dust exhaust apparatus is arranged in the surface of fire door, and are in level-one
The underface of dust exhaust apparatus 1, each dust hood 14 are arranged at the 2-2.5m right over its corresponding fire door；
First exhaust blower 4 is installed, the setting of the first exhaust blower 4 is connect in the first connecting tube 2 with second in first connecting tube 2
On 3 junction of pipe to the pipe of the first connecting tube 2 between dust filtration device；
Dust filtration device is specifically made of shell 5 and filter core, and the top of shell 5 is connect with the first connecting tube 2, shell 5 it is interior
Filter core is installed in chamber, filter core is specifically made of two partition boards 6 and multiple bag dust filters 7, and two partition boards 6 are horizontally mounted respectively
Upper and lower part in 5 inner cavity of shell is uniformly equipped with installing pipe 8, the number of the number and bag dust filter 7 of installing pipe 8 on partition board 6
Identical, and each installing pipe 8 runs through partition board 6, the installing pipe 8 on two partition boards 6 is towards the middle part of 5 inner cavity of shell, two
It is connected by bag dust filter 7 between corresponding installing pipe 8 on partition board 6；
There are 30-50cm into gas-bearing formation between 5 inner cavity top of partition board 6 and shell on 5 inner cavity top of shell；
The bottom of shell 5 is in funnel-form, and its bottom is connected with dust flue 9, and control valve is installed on dust flue 9
10；
It is connected with exhaust duct 11 on the side wall of shell 5, the second exhaust blower 12 is installed on exhaust duct 11；
Operation principle：The first exhaust blower 4 and the second exhaust blower 12 are first turned on, it can be in the first connecting tube 2, the second connecting tube
Negative pressure is generated in 3, the thermal current containing dust generated in electric furnace and AOD furnace pours in respectively first in its corresponding dust hood 14,
And it is imported in the second connecting tube 3 by U-tube 13；
Two level dust exhaust apparatus does not absorb the completely thermal current containing dust can pour in level-one suction during moving upwards
In dirt device 1, and dust filtration device is poured in through the first connecting tube 2；
During thermal current pours into level-one dust exhaust apparatus, which can effectively be mixed with the air in workshop
Cooling is closed, is then tentatively mixed with the thermal current imported by the second connecting tube 3 under the drive of negative pressure, finally through first row
It is sufficiently mixed after the agitation of wind turbine 4 and pours in dust filtration device；
In above process, the thermal current in the second connecting tube 3 realizes adequately mixing and cooling, and then can effectively keep away
Exempt from the drawbacks of it is damaged into bag dust filter 7 in dust filtration device because of temperature overheating；
After gaseous mixture flows into dust filtration device dust filtering, first pass through after the partition board 6 in 5 inner cavity top of shell through installing pipe 8
It pours in bag dust filter 7；
Negative pressure is generated by the second exhaust blower 12 to drive so that workshop is discharged after pouring in exhaust duct 11 in air-flow, realizes
The purpose of non-pollution discharge；
The dust removal method of the device is also provided in the present embodiment, this method the specific steps are：
Step 1, the first exhaust blower 4 and second exhaust blower 12 run well, to ensure air draft ventilation operation；
Step 2, the first exhaust blower 4 are according to dust discharge demand multi gear position circular flow；
Wherein, exhaust blower 4 has 2-5 shelves, is incremented by with 0.2-0.3 times that works normally rotating speed between every grade, every grade of fortune
The row time is set as 5-10min, and 2-4 hours are a cycle of operation；
In this way during equipment operation, bag dust filter 7 is then in the cycle movement of concussion, and then can effectively be shaken off
Dust attached thereto, dust releasing is to 5 bottom of shell, after reaching a certain amount of, can be effectively discharged by opening controlling valve 10
Dust.
Embodiment two
Fig. 4 please be participate in, a kind of Melting of Special Steels workshop entirety dust pelletizing system, including level-one dust exhaust apparatus are provided in the present embodiment
1, the specific trench structure that Open Side Down of level-one dust exhaust apparatus 1, bottom end is fixedly connected with workshop top, and just in fire door
Top；
The system further includes two level dust exhaust apparatus and dust filtration device, and level-one dust exhaust apparatus 1 passes through the first connecting tube 2 and dust filtering
The input terminal of device connects, and two level dust exhaust apparatus is connect by the second connecting tube 3 with the first connecting tube 2, two level dust exhaust apparatus tool
Body is made of U-tube 13 and two dust hoods 14, and the both ends of U-tube 13 are separately installed with a dust hood 14, and dust hood 14 has
Body is the type of the falling bucket structure of up-thin-low-thick both ends open, and two dust hoods 14 are being located in workshop electric furnace and AOD furnace just respectively
Top, the top of U-tube 13 are connect with the second connecting tube 3, and two level dust exhaust apparatus is arranged in the surface of fire door, and are in level-one
The underface of dust exhaust apparatus 1, each dust hood 14 are arranged at the 2-2.5m right over its corresponding fire door；
There are 30-50cm into gas-bearing formation between 5 inner cavity top of partition board 6 and shell on 5 inner cavity top of shell；
First exhaust blower 4 is installed, the setting of the first exhaust blower 4 is connect in the first connecting tube 2 with second in first connecting tube 2
On 3 junction of pipe to the pipe of the first connecting tube 2 between the first dust exhaust apparatus；
Dust filtration device is specifically made of shell 5 and filter core, and the top of shell 5 is connect with the first connecting tube 2, shell 5 it is interior
Filter core is installed in chamber, filter core is specifically made of two partition boards 6 and multiple bag dust filters 7, and two partition boards 6 are horizontally mounted respectively
Upper and lower part in 5 inner cavity of shell is uniformly equipped with installing pipe 8, the number of the number and bag dust filter 7 of installing pipe 8 on partition board 6
Identical, and each installing pipe 8 runs through partition board 6, the installing pipe 8 on two partition boards 6 is towards the middle part of 5 inner cavity of shell, two
It is connected by bag dust filter 7 between corresponding installing pipe 8 on partition board 6；
The bottom of shell 5 is in funnel-form, and its bottom is connected with dust flue 9, and control valve is installed on dust flue 9
10；
It is connected with exhaust duct 11 on the side wall of shell 5, the second exhaust blower 12 is installed on exhaust duct 11；
Operation principle：The first exhaust blower 4 and the second exhaust blower 12 are first turned on, it can be in the first connecting tube 2, the second connecting tube
Negative pressure is generated in 3, the thermal current containing dust generated in electric furnace and AOD furnace pours in respectively first in its corresponding dust hood 14,
And it is imported in the second connecting tube 3 by U-tube 13；
Two level dust exhaust apparatus does not absorb the completely thermal current containing dust can pour in level-one suction during moving upwards
In dirt device 1, and dust filtration device is poured in through the first connecting tube 2；
In the present embodiment under the drive of the first exhaust blower 4, the airflow velocity in the first connecting tube 2 may make to be more than second
Airflow velocity in connecting tube 3, the wind flow to be poured in making through level-one dust exhaust apparatus 1 is much larger than to be filled through two level dust suction
The wind flow poured in setting, and then the thermal current poured in through two level dust exhaust apparatus can be effectively diluted, it realizes to the effective of its
Cooling；
Above-mentioned mixed airflow mixing pours in dust filtration device；
In above process, the thermal current in the second connecting tube 3 realizes adequately mixing and cooling, and then can effectively keep away
Exempt from the drawbacks of it damages bag dust filter 7 into temperature overheating in dust filtration device；
After gaseous mixture flows into dust filtration device dust filtering, first pass through after the partition board 6 in 5 inner cavity top of shell through installing pipe 8
It pours in bag dust filter 7；
Negative pressure is generated by the second exhaust blower 12 to drive so that workshop is discharged after pouring in exhaust duct 11 in air-flow, realizes
The purpose of non-pollution discharge；
The dust removal method of the device is also provided in the present embodiment, this method the specific steps are：
Step 1, the first exhaust blower 4 and second exhaust blower 12 run well, to ensure air draft ventilation operation；
Step 2, the first exhaust blower 4 are according to dust discharge demand multi gear position circular flow；
Wherein, exhaust blower 4 has 2-5 shelves, is incremented by with 0.2-0.3 times that works normally rotating speed between every grade, every grade of fortune
The row time is set as 5-10min, and 2-4 hours are a cycle of operation；
In this way during equipment operation, bag dust filter 7 is then in the cycle movement of concussion, and then can effectively be shaken off
Dust attached thereto, dust releasing is to 5 bottom of shell, after reaching a certain amount of, can be effectively discharged by opening controlling valve 10
Dust.
Claims (9)
1. a kind of Melting of Special Steels workshop entirety dust pelletizing system, including level-one dust exhaust apparatus (1), the level-one dust exhaust apparatus (1) is solid
Dingan County is mounted in the top in workshop, and the surface in fire door, which is characterized in that the system further includes two level dust exhaust apparatus and filter
Dirt device, the level-one dust exhaust apparatus (1) are connect by the first connecting tube (2) with the input terminal of the dust filtration device, and described two
Grade dust exhaust apparatus is connect by the second connecting tube (3) with first connecting tube (2), and the two level dust exhaust apparatus is arranged in fire door
Surface, and the underface in the level-one dust exhaust apparatus (1) is equipped with the first air draft on first connecting tube (2)
Machine (4), the dust filtration device are specifically made of shell (5) and filter core, top and first connecting tube of the shell (5)
(2) it connects, is installed with the filter core in the inner cavity of the shell (5), the filter core is specifically by two partition boards (6) and multiple
Bag dust filter (7) is constituted, and two partition boards (6) are horizontally arranged at the upper and lower part of the shell (5) inner cavity respectively, it is described every
Installing pipe (8) is uniformly installed, the number and the dust filtration bag of the installing pipe (8) on each partition board (6) on plate (6)
(7) number is identical, and each installing pipe (8) runs through its corresponding described partition board (6), the institute on two partition boards (6)
State installing pipe (8) towards the middle part of the shell (5) inner cavity, the corresponding installing pipe (8) on two partition boards (6)
Between connected by the dust filtration bag (7), the bottom of the shell (5) is in funnel-form, and its bottom is connected with dust flue (9),
It is installed with control valve (10) on the dust flue (9), exhaust duct (11) is connected on the side wall of the shell (5), it is described
Second exhaust blower (12) is installed on exhaust duct (11).
2. a kind of Melting of Special Steels workshop entirety dust pelletizing system according to claim 1, which is characterized in that the level-one dust suction
The specific trench structure that Open Side Down of device (1), bottom end is fixedly connected with workshop top.
3. a kind of Melting of Special Steels workshop entirety dust pelletizing system according to claim 2, which is characterized in that be in the shell
(5) there are 30-50cm into gas-bearing formation between the partition board (6) on inner cavity top and the shell (5) inner cavity top.
4. according to any a kind of Melting of Special Steels workshop entirety dust pelletizing system in claim 1,2 or 3, which is characterized in that institute
It states two level dust exhaust apparatus to be specifically made of U-tube (13) and two dust hoods (14), the both ends of the U-tube (13) are installed respectively
There are one the dust hoods (14), and the dust hood (14) is specially the type of the falling bucket structure of up-thin-low-thick both ends open, two institutes
State the surface that dust hood (14) is located at electric furnace and AOD furnace in workshop respectively, the top and described second of the U-tube (13)
Connecting tube (3) connects.
5. a kind of Melting of Special Steels workshop entirety dust pelletizing system according to claim 4, which is characterized in that first air draft
Machine (4) and second exhaust blower (12) are frequency conversion fan, and are run simultaneously.
6. a kind of Melting of Special Steels workshop entirety dust pelletizing system according to claim 4, which is characterized in that each dust suction
Cover (14) is arranged at the 2-2.5m right over its corresponding fire door.
7. a kind of Melting of Special Steels workshop dust collector according to claim 5, which is characterized in that first exhaust blower
(4) setting is in first connecting tube (2) and the second connecting tube (3) junction to described the between the dust filtration device
On the pipe of one connecting tube (2).
8. a kind of Melting of Special Steels workshop dust collector according to claim 5, which is characterized in that first exhaust blower
(4) setting is in first connecting tube (2) and the second connecting tube (3) junction to described the between the first dust exhaust apparatus
On the pipe of one connecting tube (2).
9. a kind of dust removal method of Melting of Special Steels workshop dust collector according to claim 7 or 8, which is characterized in that should
Method the specific steps are：
Step 1 formulates first exhaust blower (4) and second exhaust blower (12) operating parameters according to air draft parameter；Wherein,
First exhaust blower (4) has 2-5 shelves, to work normally 0.2-0.3 times of rotating speed incrementally between every grade, when every grade of operation
Between be set as 5-10min, 2-4 hours are a cycle of operation；
Step 2, synchronous unlatching first exhaust blower (4) and second exhaust blower (12), make the two run well, to ensure
Normal dedusting air draft in workshop；
Step 3, when the bag dust filter permeability in dust filtration device reduces, first exhaust blower (4) starts multi gear position circulating
Row, by the adjusting of wind-force size, shakes off to be adsorbed on the dust on bag dust filter, and the second exhaust blower (12) described in synchronous averaging is more
Gear is run, and prevents gas to be detained, it is ensured that venting capability is unobstructed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017114809814 | 2017-12-29 | ||
| CN201711480981 | 2017-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108672459A true CN108672459A (en) | 2018-10-19 |
Family
ID=63803011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810431638.9A Pending CN108672459A (en) | 2017-12-29 | 2018-05-08 | A kind of Melting of Special Steels workshop entirety dust pelletizing system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108672459A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523161A (en) * | 2019-09-05 | 2019-12-03 | 世邦工业科技集团股份有限公司 | A kind of double-deck isolation negative pressure dust prevention system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2232032A1 (en) * | 1971-07-02 | 1973-01-18 | Kockums Mekaniska Verkstads Ab | DUST FILTER |
| DE4018408A1 (en) * | 1990-06-08 | 1991-12-12 | Gore W L & Ass Gmbh | ARRANGEMENT FOR EXHAUSTING OVEN GASES |
| GB0329725D0 (en) * | 2003-12-22 | 2004-01-28 | Bioquell Uk Ltd | Apparatus and method for bio-decontamination of an enclosure |
| CN203518640U (en) * | 2013-08-29 | 2014-04-02 | 郑州佑飞机电科技有限公司 | Smoke collection and prevention and dust removal device for AOD smelting furnace and medium frequency smelting furnace |
| CN204294028U (en) * | 2014-11-19 | 2015-04-29 | 张家港市艾尔环保设备有限公司 | Dust-collecting filter |
| CN204637826U (en) * | 2015-04-30 | 2015-09-16 | 河北拓林节能技术服务有限公司 | A kind of sack cleaner |
| CN204672086U (en) * | 2015-05-27 | 2015-09-30 | 云南司珈尔木业股份有限公司 | A kind of density board processing factory dust pelletizing system |
| CN206064049U (en) * | 2016-08-30 | 2017-04-05 | 重庆市冯骏科技有限责任公司 | A kind of paint production dust protecting device |
| CN206700959U (en) * | 2017-05-06 | 2017-12-05 | 曲靖市万东铝业有限责任公司 | A kind of dust pelletizing system in aluminum casting workshop |
-
2018
- 2018-05-08 CN CN201810431638.9A patent/CN108672459A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2232032A1 (en) * | 1971-07-02 | 1973-01-18 | Kockums Mekaniska Verkstads Ab | DUST FILTER |
| DE4018408A1 (en) * | 1990-06-08 | 1991-12-12 | Gore W L & Ass Gmbh | ARRANGEMENT FOR EXHAUSTING OVEN GASES |
| GB0329725D0 (en) * | 2003-12-22 | 2004-01-28 | Bioquell Uk Ltd | Apparatus and method for bio-decontamination of an enclosure |
| CN203518640U (en) * | 2013-08-29 | 2014-04-02 | 郑州佑飞机电科技有限公司 | Smoke collection and prevention and dust removal device for AOD smelting furnace and medium frequency smelting furnace |
| CN204294028U (en) * | 2014-11-19 | 2015-04-29 | 张家港市艾尔环保设备有限公司 | Dust-collecting filter |
| CN204637826U (en) * | 2015-04-30 | 2015-09-16 | 河北拓林节能技术服务有限公司 | A kind of sack cleaner |
| CN204672086U (en) * | 2015-05-27 | 2015-09-30 | 云南司珈尔木业股份有限公司 | A kind of density board processing factory dust pelletizing system |
| CN206064049U (en) * | 2016-08-30 | 2017-04-05 | 重庆市冯骏科技有限责任公司 | A kind of paint production dust protecting device |
| CN206700959U (en) * | 2017-05-06 | 2017-12-05 | 曲靖市万东铝业有限责任公司 | A kind of dust pelletizing system in aluminum casting workshop |
Non-Patent Citations (1)
| Title |
|---|
| 林肇信: "《大气污染控制工程》", 31 May 1991, 高等教育出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523161A (en) * | 2019-09-05 | 2019-12-03 | 世邦工业科技集团股份有限公司 | A kind of double-deck isolation negative pressure dust prevention system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201406439Y (en) | Blast furnace fume gas shunting collecting and parallel dedusting device | |
| CN202036897U (en) | High-temperature tail gas dust removal system of stove kiln | |
| CN101221015B (en) | Electric arc furnace fume comprehensive treatment process, fume collection device and combined dust collector | |
| CN108672459A (en) | A kind of Melting of Special Steels workshop entirety dust pelletizing system and method | |
| CN101559305B (en) | Blast furnace flue gas shunting trapping parallel dust-removing technology | |
| CN206276179U (en) | A kind of safely and efficiently intermediate frequency furnace dust pelletizing system | |
| CN201565226U (en) | System for dedusting smoke discharged in smelting outside furnace | |
| CN205747929U (en) | A kind of cleaning cleaner of electric arc furnace | |
| CN211008708U (en) | Novel tunnel pollution prevention and cure device | |
| CN218798980U (en) | Vehicle-mounted bag type dust removal system of continuous casting billet cutting machine and closed dust collection device | |
| CN202237604U (en) | A pulse bag filter with uniform airflow | |
| CN207996876U (en) | A kind of Melting of Special Steels workshop dust collector | |
| CN118321302A (en) | Mobile capture method for dusty flue gases | |
| CN114812207B (en) | A rotary submerged arc furnace iron tapping and fume exhaust system | |
| CN111575436B (en) | Dust removal method | |
| CN213687923U (en) | Dust removal device for intermediate frequency furnace | |
| CN215276327U (en) | Air purification system of metallurgical intelligent factory building | |
| CN205635672U (en) | Iron, tapping hole collecting cover are converted to mixed iron blast | |
| CN100460095C (en) | Converter shop dust collecting cover device | |
| CN211384379U (en) | Dust collector is used in production of steel-smelting furnace prefab | |
| CN207507183U (en) | A kind of flue gas processing device for cast stone smelting furnace | |
| CN217961689U (en) | Ferromanganese electric furnace filter cloth bag | |
| CN102580416A (en) | Method for preventing filter bag of bag type collector from blockage | |
| CN202105544U (en) | High-temperature resistant dust remover | |
| CN113664012B (en) | Ladle flue gas trapping and purifying method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181019 |
|
| RJ01 | Rejection of invention patent application after publication |